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US Patent: 2,731,569
Hydraulic transmission and control
Patentees: Sadler Jr Carl L (exact or similar names) - Rockford, IL Folke G. Lundgard (exact or similar names) - Rockford, IL Melvin M. Hann (exact or similar names) - Rockford, IL Joseph S. Cardillo (exact or similar names) - Rockford, IL USPTO Classifications: 290/4D, 322/40, 417/222.1, 60/448 Tool Categories: Assignees: Sundstrand Machine Tool Co. - Rockford, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 08, 1952 Granted: Jan. 17, 1956 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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